(c) 3. When do the nuclear envelopes reform? What problems might arise if a cell started
forming the nuclear envelopes earlier?
JA doesn't
ting ready
a mass of
B
U
X
CE
A:
No nuclei
r the cell
be copied
d DNA is
-f genetic
O Words

b

explanation:

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).